HEATKEYS

Easiest way to plot functions! Just type fooplot.com/sin(x) or your function into your browser.

Explore math with desmos.com, a free online graphing calculator

The National Center for Education Statistics (NCES) collects, analyzes and makes available data related to education in the U.S. and other nations.

Our free calculator graphs up to 5 equations, finds intersections and lets you save picture of graph to your computer! Also: pan and zoom, table of values, translate graph, plot points, color code graphs and more.

Online function grapher is a 2D interactive function plotter. The online function grapher draws trigonometric, hyperbolic, log and ln, square root and other special functions like min, max, absolute value and many more.

Coolmath has a ton of cool math games and puzzles, lots of really clear math lessons (arithmetic, fractions, decimals, algebra, etc.), fractals, geometry, tessellations and more. Tons of very cool math stuff for kids, teens, parents and teachers too!

A digital library containing Java applets and activities for K-12 mathematics

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

For students and parents, includes lessons, step-by-step calculators, worksheets, and other algebra resources.

University of Hawaii Mathematics Department home page

Make pie charts, bar graphs, scatter plots and more with our free online tools